LG C66LB 55" 4K Ultra HD OLED HDR evo AI Smart TV - 55C66LB vs UA74 75" 4K Ultra HD LED 60 Hz Smart TV — Comparison
The LG C66LB 55" 4K Ultra HD OLED HDR evo AI Smart TV - 55C66LB costs £648 less. Key differences: Amazon Alexa: Yes vs Compatible; Anti-Reflective Panel: Yes vs No; Google Assistant: Yes vs Compatible; HDMI 2.1 Ports: 4 vs -.
| Specification | LG C66LB | LG UA74 |
|---|---|---|
| Price | £1 | £649 |
| Brand | LG | LG |
| ALLM | Yes | Yes |
| Amazon Alexa | Yes | Compatible |
| Ambilight | No | No |
| Anti-Reflective Panel | Yes | No |
| Apple AirPlay2 | Yes | Yes |
| Bixby | No | No |
| Digital Tuner | Freeview HD / Freesat HD | — |
| Display Resolution Maximum | 3840 | 3840 |
| Dolby Vision | Yes | Yes |
| Freely App | No | No |
| Google Assistant | Yes | Compatible |
| Google Play App | No | No |
| HDMI 1.4 Ports | - | - |
| HDMI 2.0 Ports | - | - |
| HDMI 2.1 Ports | 4 | - |
| HDR Rating | G | G |
| Headphone Port | No | No |
| ITVX App | Yes | Yes |
| OS | webOS | webOS |
| Object Tracking Sound | OTS | N/A |
| One Connect | No | No |
| QD - OLED | No | No |
| Refresh Rate | 165 | 60 |
| Screen Resolution | 4K Ultra HD | 4K Ultra HD |
| Screen Size in cm | 139 | 189 |
| Screen Size in inches | 55 | 77 |
| Screen Type | OLED | LED |
| Smart TV | Yes | Yes |
| Sound Systems | Dolby Atmos | - |
| TV Bluetooth | Yes | Yes |
| TV Colour | Black | Black |
| TV Dolby Atmos | Yes | No |
| TV Energy Efficiency Class | G | F |
| TV Tuner Type | DVB-T2 | DVB-T2/DVB-S2 |
| Total HDMI Connections | 4 | 3 |
| USB Ports | 2 | 1 |
| VESA | 300x200mm | 400x400mm |
| VRR | Yes | Yes |
| Voice Search | Yes | Ready |
| Wall Mountable | Yes | Yes |
| Wi-Fi | Built-In | Built-In |
| YouView | No | No |
| kWh HDR per 1000h | 190 | 190 |
| kWh SDR per 1000h | 82 | 127 |
| nVidia Sync | Yes | No |
| Gaming Mode | Yes | Yes |
| Model Year | 2026 | 2025 |
| Guarantee Period | 5 Years | 1 Year |
| All 4 App | Yes | Yes |
| Amazon Prime Video App | Yes | Yes |
| Apple TV App | Yes | Yes |
| BBC iPlayer App | Yes | Yes |
| Disney+ App | Yes | Yes |
| Freeview Play | No | — |
| My5 App | Yes | Yes |
| NOW TV App | Yes | Yes |
| NetFlix App | Yes | Yes |
| Spotify App | Yes | Yes |
| YouTube App | Yes | Yes |
| Guarantee | 5 Years | 1 Year |
| Dimensions & Physical | ||
| Hybrid Log Gamma | Yes | No |
| Depth with Stand (mm) | 230 | 361 |
| Depth without Stand (mm) | 45.1 | 59.9 |
| Height with Stand (mm) | 757 | 1027 |
| Height without Stand (mm) | 703 | 964 |
| TV Width (mm) | 1222 | 1678 |
| Weight with Stand (kg) | 15.9 | 31.8 |
| Weight without Stand (kg) | 14.1 | 31.4 |